GM Service Manual Online
For 1990-2009 cars only
Table 1: Body Control Module
Table 2: Driver Door Switch
Table 3: Passenger Door Switch
Table 4: Liftgate Control Module

Body Control Module

Scan Tool Output Control

Additional Menu Selections

Description

Lock Rear Doors

Doors

The BCM activates the rear door lock relay control.

Unlock Rear Doors

Doors

The BCM activates the rear door unlock relay control.

Liftglass Release

Miscellaneous Test

The BCM activates the liftglass release signal.

Driver Door Switch

Scan Tool Output Control

Additional Menu Selections

Description

Door Lock/Unlock

Door Lock Test

The DDS will activate driver door lock actuator control to lock or unlock and send the all doors lock or unlock GMLAN message.

Passenger Door Switch

Scan Tool Output Control

Additional Menu Selections

Description

Door Lock/Unlock

Door Lock Test

The PDS will activate passenger door lock actuator control to lock or unlock and send the all doors lock or unlock GMLAN message.

Liftgate Control Module

Scan Tool Output Control

Additional Menu Selections

Description

LGM Open/Close Test

Special Functions

The LGM will enter the power liftgate calibration sequence.